which: no g16 in (/home/xzhfood/amber2018/amber18/bin:/usr/local/gromacs-2020gaus/bin:/opt/openmpi-4.0/bin:/opt/intel/composer_xe_2015.2.164/bin/intel64:/opt/intel/composer_xe_2015.2.164/debugger/gdb/intel64_mic/bin:/opt/intel/composer_xe_2015.2.164/bin/intel64:/opt/intel/composer_xe_2015.2.164/debugger/gdb/intel64_mic/bin:/opt/intel/compilers_and_libraries_2019.3.199/linux/bin/intel64:/opt/intel/compilers_and_libraries_2019.1.144/linux/mpi/intel64/libfabric/bin:/opt/intel/compilers_and_libraries_2019.1.144/linux/mpi/intel64/bin:/opt/mpich-install/bin:/opt/cmake-3.14.0/bin/:/opt/intel//impi/5.0.3.048/intel64/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/usr/local/cuda-9.2/bin:。。。。。。。。。。。。。。。。